A student is investigating what happens when a neutral metal sphere sitting on an insulated stand is touched by a negatively charged rod. What will happen to the excess electrons when the negatively charged rod touches the metal sphere?
A - The excess electrons will move from the sphere to the rod and spread out along the rod
B - The excess electrons will move from the rod to the sphere and spread out on the sphere
C - The excess electrons will move from the rod to the sphere and stay clustered in the area where the rod touches the sphere
D - The excess electrons will move from the sphere to the rod and stay clustered near the end of the rod that touches the sphere